Home / 369,519.40-554,279.10-132,869.80

Finding the Fourth Proportional to 369,519.40, 554,279.10 and 132,869.80

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Solution

The fourth proportional to 369,519.40, 554,279.10 and 132,869.80 is: 199,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,519.40 : 554,279.10 = 132,869.80 : x
  2. Step 2: Convert to fraction form
    369,519.40/554,279.10 = 132,869.80/x
  3. Step 3: Cross multiply
    369,519.40x = 554,279.10 × 132,869.80
  4. Step 4: Simplify right side
    369,519.40x = 73,646,953,161.18
  5. Step 5: Solve for x
    x = 73,646,953,161.18/369,519.40
  6. Step 6: Final answer
    x = 199,304.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.